a cross sectional view and identify the components of an image
the operation of an image intensifier tube,
including the different image carriers (photons and electrons) that are
utilized in the tube.
the concepts of brightness
gain, minification gain, and flux (electronic) gain as applied to an
how the total gain is computed from the
minification gain and the flux (electronic) gain.
conversion factor for an image intensifier.
fluoroscopic system is switched to the enlargement mode so that the center 6
inches of the input screen is visualized in place of the entire 9 inch
diameter screen. If the
brightness of the output screen remains constant, estimate the relative
increase in exposure rate that has occurred.
and explain the function of the typical optical
beam-splitter used to permit televised fluoroscopy and spot filming
briefly the video process whereby an image on
the output screen of an image intensifier is transferred to the screen of a
the process of video line interlacing and why
it is used.
video image fields and frames
and the times associated with each.
the factors that influence the horizontal detail
(blur) and the vertical detail (blur) of
a fluoroscopic image and how you can change
detail during a procedure.
the principles of operation of an automatic brightness
control unit used with fluoroscopy.
the principle factor that affects quantum noise
the process of evaluating a fluoroscopic system for quantum
how the quantum noise level can be changed.
typical and regulatory
maximum exposure rates to patients with normal fluoroscopy.
the major factor that produces high patient and staff
exposures during fluoroscopy.
the purpose of the High Level Control (HLC)
fluoroscopic mode, when is it used, and potential hazards.
Physical Principles of Medical Imaging, 2ndEd. Perry
Sprawls. Medical Physics